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STOCKHOLDERS' AND MEMBERS' EQUITY (DEFICIT), Private Placement Offerings (Details) - USD ($) |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
May 26, 2021 | Apr. 26, 2021 | Sep. 30, 2021 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Private Placement Offerings [Abstract] |  |  |  |  |  |
Proceeds from sale of common stock |  |  |  | $ 52,025,414 | $ 0 |
Number of shares authorized to sale in regular purchase (in shares) |  |  | 100,000,000 | 100,000,000 |  | 100,000,000
Purchase Agreements [Member] | Lincoln Park [Member] |  |  |  |  |  |
Private Placement Offerings [Abstract] |  |  |  |  |  |
Common stock issued and sold during period (in shares) |  |  |  | 3,551,990 |  |
Net proceeds |  |  |  | $ 52,025,414 |  |
First Purchase Agreement [Member] | Lincoln Park [Member] |  |  |  |  |  |
Private Placement Offerings [Abstract] |  |  |  |  |  |
Proceeds from sale of common stock |  |  | $ 20,000,000 |  |  |
Common stock, shares issued in consideration for purchase commitment (in shares) |  | 56,041 | 1,127,736 |  |  |
Number of shares remaining to be sold in purchase commitment (in shares) |  |  | 0 |  |  |
Common stock issued and sold during period (in shares) |  |  |  | 1,127,736 |  |
Net proceeds |  |  |  | $ 20,000,000 |  |
First Purchase Agreement [Member] | Lincoln Park [Member] | Maximum [Member] |  |  |  |  |  |
Private Placement Offerings [Abstract] |  |  |  |  |  |
Proceeds from sale of common stock |  | $ 20,000,000 |  |  |  |
Maximum commitment in any single regular purchase |  | $ 1,000,000 |  |  |  |
Second Purchase Agreement [Member] |  |  |  |  |  |
Private Placement Offerings [Abstract] |  |  |  |  |  |
Number of remaining shares to be sold (in shares) |  |  |  | 445,627 |  |
Second Purchase Agreement [Member] | Lincoln Park [Member] |  |  |  |  |  |
Private Placement Offerings [Abstract] |  |  |  |  |  |
Common stock, shares issued in consideration for purchase commitment (in shares) | 50,000 |  |  |  |  |
Common stock issued and sold during period (in shares) |  |  |  | 2,424,254 |  |
Net proceeds |  |  |  | $ 34,105,514 |  |
Second Purchase Agreement [Member] | Lincoln Park [Member] | Maximum [Member] |  |  |  |  |  |
Private Placement Offerings [Abstract] |  |  |  |  |  |
Proceeds from sale of common stock | $ 40,000,000 |  |  |  |  |
Number of shares authorized to sale in regular purchase (in shares) |  | 60,000 |  |  |  |
Maximum commitment in any single regular purchase | $ 2,000,000 |  |  |  |  |
Beneficial ownership percentage on total outstanding shares that prohibits company to direct share purchases |  | 4.99% |  |  |  |
Second Purchase Agreement [Member] | Lincoln Park [Member] | Minimum Closing Price 5.50 [Member] | Maximum [Member] |  |  |  |  |  |
Private Placement Offerings [Abstract] |  |  |  |  |  |
Number of shares authorized to sale in regular purchase (in shares) |  |  | 80,000 | 80,000 |  |
Second Purchase Agreement [Member] | Lincoln Park [Member] | Minimum Closing Price 7.00 [Member] | Maximum [Member] |  |  |  |  |  |
Private Placement Offerings [Abstract] |  |  |  |  |  |
Number of shares authorized to sale in regular purchase (in shares) |  |  | 120,000 | 120,000 |  |

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